By-name parameters
Last updated
What is By-name parameters?
By-name parameters are defined using the => symbol before the parameter type. Such a parameter will be evaluated only when it is used inside the method's body. You can think of it as syntactic sugar over a zero-parameter function passed to a method.
Free resources to learn By-name parameters
More in stage 12: Laziness
By-name parameters: common questions
Can I learn By-name parameters in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain By-name parameters in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this By-name parameters tutorial for beginners?
It is lesson 67 of 165 in the free Scala roadmap, in stage 12, Laziness. If you are new to Scala, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.